Period

28 results for: refining

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America's Petroleum Industries
ARP18A07_266

America's Petroleum Industries

Stamp for breaking copper cupellation cakes for further refining
ARP15A00_368

Stamp for breaking copper cupellation cakes for fu...

Feed Preparation Unit at the vast petroleum refinery at Stanlow
ARP17A40_097

Feed Preparation Unit at the vast petroleum refine...

Separating lead from silver or gold in a cupellation furnace.
ARP15A00_371

Separating lead from silver or gold in a cupellati...

Crane for lifting of copper/lead alloy from moulds
ARP15A00_015

Crane for lifting of copper/lead alloy from moulds

Refining copper in a furnace
ARP15A00_016

Refining copper in a furnace

Furnace for refining copper
ARP15A00_017

Furnace for refining copper

Steel production: Forge
ARP15A00_328

Steel production: Forge

Smelting of ores, 1556
ARP07103_460000282

Smelting of ores, 1556

Refining of silver
ARP07111_009634P

Refining of silver

Refining gold
ARP07111_009667P

Refining gold

Using bellows to increase the draught in a furnace for refining copper
ARP07111_009676P

Using bellows to increase the draught in a furnace...

Blast furnaces at Siemens Iron and Steel Works
ARP07108_0460001750

Blast furnaces at Siemens Iron and Steel Works

Lead smelting, 1556
ARP07103_460000281

Lead smelting, 1556

Salt Works
ARP07103_460000492

Salt Works

Rock Salt: Refining salt, Northwich Cheshire, England
ARP07103_460000499

Rock Salt: Refining salt, Northwich Cheshire, Engl...

Athanor or 'Slow Harry'
ARP07104_460001053

Athanor or 'Slow Harry'

Athanor or 'Slow Harry'
ARP07104_460001054

Athanor or 'Slow Harry'

Distillation of Nitric Acid
ARP07104_460001055

Distillation of Nitric Acid

Laboratory for refining gold and silver
ARP07104_460001056

Laboratory for refining gold and silver

Blast furnaces, Barrow Haematite Iron and Steel Company
ARP07102_460000118

Blast furnaces, Barrow Haematite Iron and Steel Co...

Blast furnace for smelting iron ore
ARP07102_460000159

Blast furnace for smelting iron ore

Using bellows to increase draught in furnace for refining copper
ARP07099_390003180

Using bellows to increase draught in furnace for r...

Refining copper by 'Hungarian' process
ARP07099_390003183

Refining copper by 'Hungarian' process

Steel production
ARP07095_390001485

Steel production

Smelting of copper: making liquation cakes by reducing copper in furnaces and alloying with lead
ARP07095_390001491

Smelting of copper: making liquation cakes by redu...

Refining copper, removing cakes of copper from the crucible and quenching in a tub of water
ARP07095_390001493

Refining copper, removing cakes of copper from the...

Smelting iron, A, and hammering bars with mechanical hammer
ARP07095_390001494

Smelting iron, A, and hammering bars with mechanic...